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CN-121977990-A - Oil on-line detection device and application method thereof

CN121977990ACN 121977990 ACN121977990 ACN 121977990ACN-121977990-A

Abstract

The invention discloses an oil on-line detection device and an application method thereof. The oil on-line detection device is used for carrying out particle count detection on oil flowing through an oil pipe to be detected, and comprises a detection module (1) and an oil inlet and return module (2), wherein the oil inlet and return module is used for introducing the oil in the oil pipe to be detected into the detection module for detection, the oil detected by the detection module is returned into the oil pipe to be detected by the oil inlet and return module, and the detection module comprises a particle count detector (6) which is used for realizing particle count detection on the oil. The oil on-line detection device can realize the effects of real-time monitoring and feedback, high efficiency, convenience and automatic control.

Inventors

  • LI XIAOWEI
  • WANG ZHAOQIANG
  • SUN CANXING
  • LOU SHENQI
  • GAO WEI

Assignees

  • 上海工程技术大学

Dates

Publication Date
20260505
Application Date
20260113

Claims (10)

  1. 1. The oil on-line detection device is used for carrying out particle count detection on oil flowing through an oil pipe to be detected; The oil on-line detection device is characterized by comprising a detection module (1) and an oil inlet and return module (2).
  2. 2. The on-line oil detection device of claim 1, wherein the oil inlet and return module (2) introduces the oil in the oil pipe to be detected into the detection module (1) for detection, and the oil detected by the detection module (1) is returned to the oil pipe to be detected by the oil inlet and return module (2).
  3. 3. The oil on-line detection device according to claim 1, wherein the detection module (1) comprises a particle count detector (6), and the particle count detector (6) is used for realizing particle count detection of oil.
  4. 4. The oil on-line detection device according to claim 3, wherein the particle counting detector (6) is communicated to an external computer end through a 485 interface, and detection data of the particle counting detector (6) is uploaded to the external computer end through the 485 interface for display.
  5. 5. The oil on-line detection device according to claim 3, wherein the oil inlet and return module (2) comprises a valve block (3), an oil tank (4) and an oil pump (5); the valve block (3) is used for preparing an oil liquid flow path, and the valve block (3) is provided with a first pipe orifice (31), a second pipe orifice (32), a third pipe orifice (33), a fourth pipe orifice (34) and a fifth pipe orifice (35); The valve block (3) is provided with a first electromagnetic valve (111) and a second electromagnetic valve (112), The first electromagnetic valve (111) is used for controlling the oil to return to the oil pipe to be detected from the oil on-line detection device, so that the fourth pipe orifice (34) is communicated with the second pipe orifice (32), the oil pump (5) starts to pump the oil in the oil tank (4), the oil enters the valve block (3) from the second pipe orifice (32), flows out from the fourth pipe orifice (34) and returns to the oil pipe to be detected, The second electromagnetic valve (112) is used for controlling oil to enter the oil on-line detection device from the oil pipe to be detected, so that the third pipe orifice (33) is communicated with the first pipe orifice (31) and the fifth pipe orifice (35), oil enters from the third pipe orifice (33), passes through the valve block (3), exits from the first pipe orifice (31) and enters the oil tank (4), and when the particle counting detector (6) works, the oil flows out from the fifth pipe orifice (35); The valve block (3) is provided with a first pressure sensor (141) and a second pressure sensor (142), The first pressure sensor (141) is used for detecting the oil pressure at the oil return circuit when the second pipe orifice (32) flows in and the fourth pipe orifice (34) flows out, The second pressure sensor (142) is used for detecting the oil pressure at the oil inlet loop when the third pipe orifice (33) flows in and when the first pipe orifice (31) and the fifth pipe orifice (35) flow out; the valve block (3) is also provided with a direct-acting overflow valve (15) and a liquid level sensor (13); The top of the oil tank (4) is communicated with a three-way pipe fitting, and the oil tank (4) is communicated with a first pipe orifice (31) of the valve block (3) on one hand and an oil outlet pipe orifice of the particle counting detector (6) on the other hand through the three-way pipe fitting; the lower part of the oil tank (4) is communicated with a second pipe orifice (32) of the valve block (3) through a pipeline, the oil pump (5) is arranged on the pipeline communicated with the second pipe orifice, and the oil pumping direction of the oil pump (5) is the direction from the oil tank (4) to the valve block (3); A first gas sensor (161) is arranged on a pipeline adjacent to the second pipe orifice (32) of the valve block (3).
  6. 6. The on-line oil detection device according to claim 5, wherein the oil inlet pipe orifice of the particle counting detector (6) is communicated with the fifth pipe orifice (35) of the valve block (3), the oil outlet pipe orifice of the particle counting detector (6) is communicated with the oil tank (4), the third pipe orifice (33) of the valve block (3) is communicated with the first pipe orifice (31) through a pipeline, and the fourth pipe orifice (34) of the valve block (3) is communicated with the second pipe orifice (32) through a pipeline.
  7. 7. The oil on-line detecting device according to claim 3, wherein a second gas sensor (162) is further arranged on a door of the electric box where the particle counting detector (6) is located, and the second gas sensor (162) is used for detecting whether the particle counting detector (6) volatilizes oil or not.
  8. 8. The oil on-line detection device according to claim 1, wherein liquid level sensors (13) are arranged at the bottom positions of the detection module (1) and the oil inlet and return module (2).
  9. 9. The oil on-line detection device according to claim 1, wherein the oil on-line detection device is further provided with a single-chip microcomputer control board (17), all electrical equipment in the oil on-line detection device is electrically connected with the single-chip microcomputer control board (17), the single-chip microcomputer control board (17) can realize automatic operation of the whole oil on-line detection device, and the single-chip microcomputer control board (17) is in communication connection with a control center through a 485 communication bus.
  10. 10. An application method of an oil on-line detection device, wherein the oil on-line detection device is the oil on-line detection device according to claim 1, and is characterized in that: The detection module (1) comprises a particle count detector (6), and the particle count detector (6) is used for realizing particle count detection of oil; The oil inlet and return module (2) comprises a valve block (3), an oil tank (4) and an oil pump (5); the valve block (3) is used for preparing an oil liquid flow path, and the valve block (3) is provided with a first pipe orifice (31), a second pipe orifice (32), a third pipe orifice (33), a fourth pipe orifice (34) and a fifth pipe orifice (35); The valve block (3) is provided with a first electromagnetic valve (111) and a second electromagnetic valve (112), The first electromagnetic valve (111) is used for controlling the oil to return to the oil pipe to be detected from the oil on-line detection device, so that the fourth pipe orifice (34) is communicated with the second pipe orifice (32), the oil pump (5) starts to pump the oil in the oil tank (4), the oil enters the valve block (3) from the second pipe orifice (32), flows out from the fourth pipe orifice (34) and returns to the oil pipe to be detected, The second electromagnetic valve (112) is used for controlling oil to enter the oil on-line detection device from the oil pipe to be detected, so that the third pipe orifice (33) is communicated with the first pipe orifice (31) and the fifth pipe orifice (35), oil enters from the third pipe orifice (33), passes through the valve block (3), exits from the first pipe orifice (31) and enters the oil tank (4), and when the particle counting detector (6) works, the oil flows out from the fifth pipe orifice (35); The valve block (3) is provided with a first pressure sensor (141) and a second pressure sensor (142), The first pressure sensor (141) is used for detecting the oil pressure at the oil return circuit when the second pipe orifice (32) flows in and the fourth pipe orifice (34) flows out, The second pressure sensor (142) is used for detecting the oil pressure at the oil inlet loop when the third pipe orifice (33) flows in and when the first pipe orifice (31) and the fifth pipe orifice (35) flow out; the valve block (3) is also provided with a direct-acting overflow valve (15) and a liquid level sensor (13); The top of the oil tank (4) is communicated with a three-way pipe fitting, and the oil tank (4) is communicated with a first pipe orifice (31) of the valve block (3) on one hand and an oil outlet pipe orifice of the particle counting detector (6) on the other hand through the three-way pipe fitting; the lower part of the oil tank (4) is communicated with a second pipe orifice (32) of the valve block (3) through a pipeline, the oil pump (5) is arranged on the pipeline communicated with the second pipe orifice, and the oil pumping direction of the oil pump (5) is the direction from the oil tank (4) to the valve block (3); a first gas sensor (161) is arranged on a pipeline adjacent to the second pipe orifice (32) of the valve block (3); When detection is needed, the first electromagnetic valve (111) and the second electromagnetic valve (112) are controlled to act, the second pipe orifice (32) of the valve block (3) is communicated with the fifth pipe orifice (35), and the oil pump (5) is controlled to start, so that sampled oil in the oil tank (4) is conveyed into the particle counting detector (6) for detection through the valve block (3); After the particle counting detector (6) finishes detecting, the particle counting detector (6) directly returns the sampled oil to the oil tank (4).

Description

Oil on-line detection device and application method thereof Technical Field The invention relates to an oil online measurement technology, in particular to an oil online detection device and an application method thereof. Background In the industrial field, oil is an important lubricating and working medium for various mechanical equipment, and the quality and safety of the oil are directly related to the normal operation and production efficiency of the equipment. The conventional oil liquid detection method generally needs to take out an oil liquid sample for laboratory analysis, cannot meet the requirement of real-time monitoring, and is complex in operation, time-consuming and labor-consuming. Therefore, a device capable of realizing online detection of oil is needed to improve detection efficiency and accuracy. Disclosure of Invention The invention aims to provide an oil on-line detection device which is used for carrying out particle count detection on oil flowing in an oil pipe to be detected, and can realize the effects of real-time monitoring and feedback, high efficiency, convenience and automatic control. In order to achieve the technical purpose, the invention adopts the following technical scheme: the oil on-line detection device is used for carrying out particle count detection on oil flowing through an oil pipe to be detected; the oil on-line detection device comprises a detection module and an oil inlet and return module. Further, the oil inlet and return module introduces the oil in the oil pipe to be detected into the detection module for detection, and the oil detected by the detection module is returned into the oil pipe to be detected by the oil inlet and return module. Further, the detection module comprises a particle count detector, wherein the particle count detector is used for realizing particle count detection of oil. Further, the particle counting detector is communicated to an external computer end through a 485 interface, and detection data of the particle counting detector is uploaded to the external computer end through the 485 interface for display. Further, the oil inlet and return module comprises a valve block, an oil tank and an oil pump; the valve block is used for preparing an oil liquid flow path and is provided with a first pipe orifice, a second pipe orifice, a third pipe orifice, a fourth pipe orifice and a fifth pipe orifice; The valve block is provided with a first electromagnetic valve and a second electromagnetic valve, The first electromagnetic valve is used for controlling the oil to return to the oil pipe to be detected from the oil on-line detection device, so that the fourth pipe orifice is communicated with the second pipe orifice, the oil pump is started to pump the oil in the oil tank, the oil enters the valve block from the second pipe orifice, flows out from the fourth pipe orifice and returns to the oil pipe to be detected, The second electromagnetic valve is used for controlling oil to enter the oil on-line detection device from the oil pipe to be detected, so that the third pipe orifice is communicated with the first pipe orifice and the fifth pipe orifice, oil enters from the third pipe orifice, passes through the valve block, exits from the first pipe orifice and enters the oil tank, and when the particle counting detector works, the oil flows out from the fifth pipe orifice; The valve block is provided with a first pressure sensor and a second pressure sensor, The first pressure sensor is used for detecting the oil pressure at the position of the oil return loop when the second pipe orifice flows in and the fourth pipe orifice flows out, The second pressure sensor is used for detecting the oil pressure at the oil inlet loop when the third pipe orifice flows in and when the first pipe orifice and the fifth pipe orifice flow out; the valve block is also provided with a direct-acting overflow valve and a liquid level sensor; the top of the oil tank is communicated with a three-way pipe fitting, and the oil tank is communicated with a first pipe orifice of the valve block through the three-way pipe fitting, and is communicated with an oil outlet pipe orifice of the particle counting detector; The lower part of the oil tank is communicated with a second pipe orifice of the valve block through a pipeline, and the oil pump is arranged on the pipeline communicated with the second pipe orifice, and the oil pumping direction of the oil pump is the direction from the oil tank to the valve block; A first gas sensor is disposed on the conduit adjacent the second orifice of the valve block. Further, an oil inlet pipe orifice of the particle counting detector is communicated to a fifth pipe orifice of the valve block, an oil outlet pipe orifice of the particle counting detector is communicated to the oil tank, a third pipe orifice of the valve block is communicated to the first pipe orifice through a pipeline, and a fourth pipe orifice of the valve block is c